Linn County sheriff's
detectives received a full confession from Donald Arthur Matzke of Sweet Home,
the sheriff's office said.

According to authorities,
Matzke and the victim – Tim Miller – had been drinking alcohol at Rockin' Red Ranch on the night of May 1. Matzke and Miller got in an argument, and Matzke stabbed Miller
several times, the sheriff's office said.

Matzke told detectives that he
tried to dispose of the body in the pond at the property and weigh it down with rocks, the
sheriff's office said.

Matzke is accused of
stealing money from Miller after his death and was also charged with robbery. Matzke has been arrested and is lodged in Linn County Jail.

Miller's body was found
Wednesday in a shallow pond at Rockin' Red Ranch, a large piece of rural property
at 25491 Crescent Hill Road.